Fahrenheit to Celsius Converter
Convert fahrenheit to celsius with a free calculator
How to Convert Fahrenheit to Celsius
Formula: °C = (°F - 32) × 5/9
To convert Fahrenheit to Celsius, subtract 32, then multiply by 5/9. The 32 offset accounts for the difference in zero points between the two scales. The 5/9 ratio adjusts for the different degree sizes (180 Fahrenheit degrees span the same range as 100 Celsius degrees).
Fahrenheit to Celsius Reference Table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 1 °F | -17.22222222 °C |
| 5 °F | -15 °C |
| 10 °F | -12.22222222 °C |
| 25 °F | -3.888888889 °C |
| 50 °F | 10 °C |
| 100 °F | 37.77777778 °C |
| 500 °F | 260 °C |
| 1000 °F | 537.7777778 °C |
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Frequently Asked Questions
What is 32°F in Celsius? +
32°F equals 0°C. This is the freezing point of water at standard atmospheric pressure.
What is 98.6°F in Celsius? +
98.6°F equals 37°C, which is normal human body temperature.
What is the formula for Fahrenheit to Celsius? +
Subtract 32 from the Fahrenheit value, then multiply by 5/9. So °C = (°F - 32) x 5/9.
At what temperature are Fahrenheit and Celsius equal? +
They intersect at -40. So -40°F = -40°C.
Why does the US still use Fahrenheit? +
Habit and infrastructure. The US adopted Fahrenheit before Celsius became the global standard, and switching would require changing thermostats, weather systems, and public education all at once.